Webmail

Open-source projects categorized as Webmail
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Language: + PHP + TypeScript + JavaScript + Shell + Python + C + Go + Jinja
Topics: Email PHP Imap SMTP Communication systems
The modern identity platform for B2B SaaS
The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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Top 14 Webmail Open-Source Projects

  • Mailu

    Insular email distribution - mail server as Docker images

    • Project mention: Roundcube and docker-mailserver (Docker Mailserver) on the same VPS | /r/selfhosted | 2023-12-06

    Consider installing Mailu instead, which is a single Docker container with a full mail server and Roundcube on top. Very easy to install.

  • ProtonMail Web Client

    Monorepo hosting the proton web clients

    • Project mention: Has anyone tried to run the Proton Mail UI locally? | /r/selfhosted | 2023-10-07

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo

  • RainLoop

    Simple, modern & fast web-based email client

  • magma

    The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development. (by lavabit)

  • inbucket

    Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.

  • Cypht

    Cypht: Lightweight Open Source webmail written in PHP and JavaScript

  • mail

    💌 Mail app for Nextcloud (by nextcloud)

    • Project mention: How to copy a file between devices? | news.ycombinator.com | 2024-02-14

    To add to this, it's reasonably easy to run, and has many different plugins, from a calendar and contacts list, to an online document editor (like Google Docs, except it can be pretty slow and/or resource intensive: https://nextcloud.com/office/), to a simple clone of Slack (https://nextcloud.com/talk/), a mail client (https://apps.nextcloud.com/apps/mail) and other things.

    That said, I've had updates (across major versions) break things on multiple occasions, one out of two servers running the exact same version has random crashes and in addition to that the file locking by default (if enabled, but not using Redis: https://docs.nextcloud.com/server/latest/admin_manual/config...) has broken and prevents me from deleting a file that just sits there and takes up a few GB of space. Oh and their Android app fails to upload files if I use the share option, instead of the file picker from within the app.

    On the other hand, sure beats storing data on third party clouds and is free, so I'll still keep using it.

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

    WorkOS logo

  • webmail-lite-8

    Open-source webmail script for existing IMAP server

  • egroupware

    Web based groupware server written in PHP, forum at https://help.egroupware.org/

    • Project mention: SOGo: Open-source groupware solution to Share calendars, address books and mails | news.ycombinator.com | 2023-12-21

    I hadn't heard of eGroupware before, so linky for others who are similarly curious: https://github.com/EGroupware/egroupware#readme (also GPLv2)

  • Isotope Mail

    Isotope Mail Client

  • poste.io

    poste.io mail server, but with IP management and custom webmail plugins

  • libremail

    IMAP ➝ SQL syncing engine, JavaScript-free email client, and a Kanban-style email client

  • pinbox

    Self-hosted webmail client greatly inspired by Google Inbox (by msp301)

  • sw_mailcow

    Ansible role to deploy mailcow on a linux server

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Webmail related posts

Index

What are some of the best open-source Webmail projects? This list will help you:

Project Stars
1 Mailu 5,419
2 ProtonMail Web Client 4,099
3 RainLoop 4,055
4 magma 1,820
5 inbucket 1,548
6 Cypht 914
7 mail 792
8 webmail-lite-8 327
9 egroupware 238
10 Isotope Mail 229
11 poste.io 133
12 libremail 114
13 pinbox 84
14 sw_mailcow 3

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